ASTRO Gaming A40 TR Headset + MixAmp Pro TR for Xbox One Tuned for Gaming with ASTRO Audio: optimized by ASTRO audio engineers and pro gamers, featuring Dolby 7.1 Surround Sound Superior Fit & Finish: premium materials and construction, highly adjustable and lightweight Mod Kit Ready: go from an open-back to a closed-back noise isolating headset with swappable Mod Kit components (sold separately) ASTRO Command Center: customize every MixAmp Pro input and output, create custom EQ settings Native Xbox One Compatibility: voice chat enabled with no chat adapter required. Frequency response 20 to 20,000 Hz, Headband pressure 2.6N